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Orthopnea definition Orthopnea is the shortness of breath that happens while a person lying flat. The shortness of breath is followed by a tightness feeling in the chest and the feeling is as if he or she is not able to get enough oxygen for proper breathing. This occurs usually …

Definition Overactive bladder is a health condition that causes a variety of symptoms, many of which can cause feelings of embarrassment. Dealing with these symptoms can sometimes cause you to want to isolate yourself or limit your social and work life activities to avoid feeling uncomfortable. The most common symptoms …

Introduction Osteomyelitis is the bone infection that occurs due to the infection of bacteria in the bone. Infection is caused by the bacterium Staphylococcus aureus and other bacteria’s can also cause it. Germs usually infect into the body skin through open wounds and travel to the bone through the bloodstream. …

Introduction Orchitis is an inflammatory disorder occurring in one or both testicles of males, widely caused by various types of bacterial and viral infections. It is a type of infection may also be a progression of epididymitis, an infection with the tube that carries semen from the testicles. This condition …

Definition Osteomalacia means soft bones. Bone is a living, active tissue that’s continually being removed and replaced. This process is known as bone turnover. Bone consists of a hard outer shell (the cortex) made up of minerals, mainly calcium and phosphorus, and a softer inner mesh (the matrix) made up …

Definition Opisthorchiasis is an infection caused by either of the two parasite worms, the cat liver fluke, or scientifically called Opisthorchis felineus (also known as Opisthorchis tenuicollis), or the Southeast Asian liver fluke (called as Opisthorchis viverrini). The term “fluke” means flatfish, since these parasites are flat. Opistorhoz in fish …

Definition Obesity is a complex disorder involving an excessive amount of body fat. Obesity isn’t just a cosmetic concern. It increases your risk of diseases and health problems, such as heart disease, diabetes and high blood pressure. Being extremely obese means you are especially likely to have health problems related …

Definition The term “ovarian cancer” includes several different types of cancer that all arise from cells of the ovary. Most commonly, tumors arise from the epithelium, or lining cells, of the ovary. These include epithelial ovarian (from the cells on the surface of the ovary), fallopian tube, and primary peritoneal …

Definition Obstructive Sleep Apnoea (OSA) is a sleep related respiratory condition, leading to repeated temporary cessations of breathing because of a narrowing or closure of the upper airway during sleep. Core symptoms of OSA include excessive daytime sleepiness, snoring, and witnessed apnoea or hypopnoea (blockages or partial blockages of the …

Definition Osteoporosis is a condition characterized by a decrease in the density of bone, decreasing its strength and resulting in fragile bones. Osteoporosis literally leads to abnormally porous bone that is compressible, like a sponge. This disorder of the skeleton weakens the bone and results in frequent fractures (breaks) in …